International Journal of Aerospace Engineering / 2013 / Article / Fig 1

Review Article

A Methodological Review of Piezoelectric Based Acoustic Wave Generation and Detection Techniques for Structural Health Monitoring

Figure 1

Dispersion curves for a traction free aluminum plate (the classic Lamb wave problem): (a) phase velocity dispersion curvesa and (b) group velocity dispersion curves [1, 2].
928627.fig.001a
(a)
928627.fig.001b
(b)